LFortran Files

Breaking Changes

• --realloc-lhs was renamed to --realloc-lhs-arrays. We now reallocate scalar LHS automatically.
• --no-style-warnings was renamed to --no-style-suggestions

What's Changed

• Fixed dict regression and added new tests by @swamishiju in https://github.com/lfortran/lfortran/pull/8359
• chore(deps): bump actions/checkout from 4 to 5 by @dependabot[bot] in https://github.com/lfortran/lfortran/pull/8392
• enh: remove conversion to c-string from some string runtime functions by @akramhany in https://github.com/lfortran/lfortran/pull/8403
• BOZ to Variable Type Conversion in Assignment Statements by @YashNagda17 in https://github.com/lfortran/lfortran/pull/8397
• fix: proper logical operation for like datatypes by @Th3C0d3Mast3r in https://github.com/lfortran/lfortran/pull/8356
• fix: fix the verify condition for checking compile-time constant arrays by @HarshilShah1804 in https://github.com/lfortran/lfortran/pull/8401
• fix: ensure valid check for m_value in ReplaceModuleVarWithValue by @kmr-srbh in https://github.com/lfortran/lfortran/pull/8410
• fix: add struct name to make unique StructInstanceMember of different types by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8389
• chore: remove redundant code of mvbits by @HarshilShah1804 in https://github.com/lfortran/lfortran/pull/8414
• fix: handle using reshape with casting by @akramhany in https://github.com/lfortran/lfortran/pull/8405
• fix: Support keyword arguments for get_command_argument by @HarshitaKalani in https://github.com/lfortran/lfortran/pull/8413
• LPython sync by @swamishiju in https://github.com/lfortran/lfortran/pull/8418
• FIX: Handle string pointer in nullify() by @adit4443ya in https://github.com/lfortran/lfortran/pull/8412
• Fix: Handle StructInstanceMember association in select type by @adit4443ya in https://github.com/lfortran/lfortran/pull/8409
• feat: add support for no_implicit_argument_casting CLI Flag by @parth121101 in https://github.com/lfortran/lfortran/pull/8416
• Add IntrinsicElementalFunction stringconcat by @assem2002 in https://github.com/lfortran/lfortran/pull/8393
• feat: add bounds checking for array assignment by @xaerru in https://github.com/lfortran/lfortran/pull/8367
• refactor: using functions which take explicit llvm::Type* and use create_gep2 by @sriganeshres in https://github.com/lfortran/lfortran/pull/8422
• visit_ArrayItem: CreateGEP -> CreateGEP2 by @certik in https://github.com/lfortran/lfortran/pull/8425
• fix: output of reshape used in declarations by @akramhany in https://github.com/lfortran/lfortran/pull/8426
• refactor: using functions which take explicit llvm::Type* and use create_gep2 by @sriganeshres in https://github.com/lfortran/lfortran/pull/8427
• ref: rename style_suggestions CLI flag and no_error_banner compiler option by @parth121101 in https://github.com/lfortran/lfortran/pull/8381
• Solved the error of Implied loop array print by @HiteshGhanchi in https://github.com/lfortran/lfortran/pull/8428
• fix : Support Submodule implementations in Functions/Subrotines by erasing older function with module keyword by @AnshMehta1 in https://github.com/lfortran/lfortran/pull/8415
• fix: handle some cases of array reshape by @akramhany in https://github.com/lfortran/lfortran/pull/8431
• enh: add support for self-referencing struct members with allocatable attribute by @kmr-srbh in https://github.com/lfortran/lfortran/pull/8420
• Add a test for two bugs that are now fixed by @certik in https://github.com/lfortran/lfortran/pull/8440
• FIX: Handle string array passed to a BindC functionCall by @adit4443ya in https://github.com/lfortran/lfortran/pull/8421
• fix: allocate allocatable members of structs if something is assigned to them by @akramhany in https://github.com/lfortran/lfortran/pull/8437
• fix: reallocating lhs even when flag is false by @xaerru in https://github.com/lfortran/lfortran/pull/8429
• Convert lookup_EnumValue to use gep2 by @certik in https://github.com/lfortran/lfortran/pull/8445
• Fix whitespace by @certik in https://github.com/lfortran/lfortran/pull/8446
• LLVM: create_gep -> create_gep2 migration by @certik in https://github.com/lfortran/lfortran/pull/8450
• Docs: More examples for physical types for arrays by @certik in https://github.com/lfortran/lfortran/pull/8454
• refactor: gep to gep2 in llvm_utils.cpp by @sriganeshres in https://github.com/lfortran/lfortran/pull/8456
• Fix: LSP correctly infers variable declaration type/class (#8363) by @mohitdhingra22 in https://github.com/lfortran/lfortran/pull/8438
• refactor: createload to createload2 in llvm_utils.cpp by @sriganeshres in https://github.com/lfortran/lfortran/pull/8460
• Fix : correcting type with create_ptr_gep call . by @assem2002 in https://github.com/lfortran/lfortran/pull/8461
• Add LFortran specific test (_lfortran_str) by @assem2002 in https://github.com/lfortran/lfortran/pull/8462
• CI: install the emsdk more robustly by @certik in https://github.com/lfortran/lfortran/pull/8466
• refactor: createload to createload2 in llvm_utils.cpp by @sriganeshres in https://github.com/lfortran/lfortran/pull/8463
• Rename create_gep to create_gep_deprecated by @certik in https://github.com/lfortran/lfortran/pull/8455
• refactor: createload to createload2 in llvm_utils.cpp by @sriganeshres in https://github.com/lfortran/lfortran/pull/8468
• refactor: replaced all createload to createload2in llvm_array_utils.cpp by @sriganeshres in https://github.com/lfortran/lfortran/pull/8469
• feat: add vptr to LLVM structure declaration for structs and classes by @kmr-srbh in https://github.com/lfortran/lfortran/pull/8467
• fix: convert procedure name to lower case by @akramhany in https://github.com/lfortran/lfortran/pull/8475
• fix : Load all the dependent submodules while loading a module through load module function in global scope by @AnshMehta1 in https://github.com/lfortran/lfortran/pull/8443
• Feat: add vtable implementation and runtime polymorphism call by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8478
• Fix complex array member access (%re and %im) by @ubaidsk in https://github.com/lfortran/lfortran/pull/8481
• Append "deprecated" for functions and a mapping that will be removed by @certik in https://github.com/lfortran/lfortran/pull/8482
• Rename create_ptr_gep -> create_ptr_gep_deprecated by @certik in https://github.com/lfortran/lfortran/pull/8483
• Rename PointerToDataArray to PointerArray by @certik in https://github.com/lfortran/lfortran/pull/8485
• fixed: makde a void* to fix createload2 by @sriganeshres in https://github.com/lfortran/lfortran/pull/8492
• Doc: Clarify the new design for FixedSizeArray by @certik in https://github.com/lfortran/lfortran/pull/8486
• Add clojure format support for ASR output by @ubaidsk in https://github.com/lfortran/lfortran/pull/8484
• Verify number of elements on LHS and RHS of Data Statements by @YashNagda17 in https://github.com/lfortran/lfortran/pull/8500
• refactor: fixed all CreateLoadDeprecated by @sriganeshres in https://github.com/lfortran/lfortran/pull/8501
• feat: add new enable_disable_style_suggestion flag in test py file by @parth121101 in https://github.com/lfortran/lfortran/pull/8503
• Fix implicit cast for complex numbers by @ubaidsk in https://github.com/lfortran/lfortran/pull/8504
• Support block in fortran backend by @ubaidsk in https://github.com/lfortran/lfortran/pull/8505
• fix : Load all the unloaded submodules of loaded dependent modules of a submodule for monolithic compilation by @AnshMehta1 in https://github.com/lfortran/lfortran/pull/8507
• fix: handle printing characters after achar(0) by @akramhany in https://github.com/lfortran/lfortran/pull/8508
• docs: add AGENTS.md guide for AI agents and humans by @krystophny in https://github.com/lfortran/lfortran/pull/8509
• Make ASR symbols Clojure compatible by @ubaidsk in https://github.com/lfortran/lfortran/pull/8520
• fix: don't visit IntrinsicElementalFunction args more than once in array_struct_temporary pass by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8515
• fix(parser): accept READ with format literal and no unit (fixes [#4527]) by @krystophny in https://github.com/lfortran/lfortran/pull/8511
• feat: add CRLF fixed-form (fixes [#924]) by @krystophny in https://github.com/lfortran/lfortran/pull/8510
• ci: test jonquil for FPM by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8523
• enh: [new classes] add support for runtime subroutine polymorphism by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8506
• enh: [new_classes] handle global/nested subroutine vars class variables and class assignments by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8527
• feat: add type_info object for structs to support dynamic_cast() implementation for select type construct by @kmr-srbh in https://github.com/lfortran/lfortran/pull/8498
• semantics: reject non-variable actuals for INTENT(OUT/INOUT) dummies (fixes [#4611]) by @krystophny in https://github.com/lfortran/lfortran/pull/8513
• fix: [new_classes] allocate vptr properly while storing it by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8532
• enh: [new_classes] create load for nested struct member access by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8531
• fix: calling elemental function on array of derived types by @akramhany in https://github.com/lfortran/lfortran/pull/8490
• enh: [new_classes] support all derived type and class assignments by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8535
• Enh : Use transfer (ASR::bitcast) instead of ASR::StringChr with char and achar by @assem2002 in https://github.com/lfortran/lfortran/pull/8534
• refactor: made get_key_list, get_value_list use create_gep2 by @sriganeshres in https://github.com/lfortran/lfortran/pull/8536
• enh: [new_classes] support class/type associating by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8540
• fix: [new_classes] CreateLoad for StructInstanceMember by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8542
• fix:: Array Assignments inside data statements by @YashNagda17 in https://github.com/lfortran/lfortran/pull/8541
• Enh : Completely Remove null dependency from strings by @assem2002 in https://github.com/lfortran/lfortran/pull/8424
• fix : Fix external symbols and update dependencies only once at the end of load_module and load_dependent_submodules functions by @AnshMehta1 in https://github.com/lfortran/lfortran/pull/8545
• Fix: BOZ to Real Conversions inside real() Function by @YashNagda17 in https://github.com/lfortran/lfortran/pull/8544
• refactor: made get_pointer_to_occupancy of dict use create_gep2 by @sriganeshres in https://github.com/lfortran/lfortran/pull/8547
• fix: printing a string that contains a null-char inside it by @akramhany in https://github.com/lfortran/lfortran/pull/8546
• fix: [new_classes] Handle class pointer types in LLVM by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8533
• CI : Revert active Submodule workarounds (except stdlib_stats) from Stdlib Monolithic Compilation by @AnshMehta1 in https://github.com/lfortran/lfortran/pull/8549
• fix: [new_classes] convert call args and deallocate args properly by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8553
• refactor: use create_gep2 by @sriganeshres in https://github.com/lfortran/lfortran/pull/8554
• ci: fix llvmdev version by @Pranavchiku in https://github.com/lfortran/lfortran/pull/8558
• enh: [new_classes] Add inherited methods in VTable and class/type to class/type conversions by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8555
• fix: lower enumerator name while declaring enum by @HarshilShah1804 in https://github.com/lfortran/lfortran/pull/8559
• enh: [new_classes] don't store vtable if variable is not allocated and check at runtime call by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8560
• fix: [new_classes] create new vtab if not created before storing vptr by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8562
• refactor: made functions use create_gep2 by @sriganeshres in https://github.com/lfortran/lfortran/pull/8565
• fix:: Implied Do Loop Assignments inside Array Initializers by @YashNagda17 in https://github.com/lfortran/lfortran/pull/8570
• feat: add _lfortran_struct_copy function for runtime class to class assignments by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8577
• cli: accept --generate-object-code as legacy alias of --separate-compilation (CMake compat) by @krystophny in https://github.com/lfortran/lfortran/pull/8575
• fix: create load properly for class type variable and handle global class vars by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8580
• enh: add comments for type-info search functions by @kmr-srbh in https://github.com/lfortran/lfortran/pull/8583
• Minor comment Changes + Register tests by @assem2002 in https://github.com/lfortran/lfortran/pull/8584
• CI: run all tests with --new-classes except label NO_NEW_CLASSES by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8586
• Allocate string descriptor on stack instead of heap by @assem2002 in https://github.com/lfortran/lfortran/pull/8585
• Uncomment FAST POT3D test by @assem2002 in https://github.com/lfortran/lfortran/pull/8588
• Change stringItem implementation in LLVM backend by @assem2002 in https://github.com/lfortran/lfortran/pull/8587
• feat: add move assignment for allocatable arrays by @xaerru in https://github.com/lfortran/lfortran/pull/8537
• enh: add unlimited polymorphic type allocation to user-defined types and select type support by @kmr-srbh in https://github.com/lfortran/lfortran/pull/8590
• feat: always reallocate scalars by @xaerru in https://github.com/lfortran/lfortran/pull/7936
• fix:: Throw error when using BOZ Literals in Binary Operations by @YashNagda17 in https://github.com/lfortran/lfortran/pull/8595
• Fix test creating file outside project by @ubaidsk in https://github.com/lfortran/lfortran/pull/8602
• Exposed StrOrd to Frontend by @swamishiju in https://github.com/lfortran/lfortran/pull/8599
• fix: using elemental functions with custom typed arrays by @akramhany in https://github.com/lfortran/lfortran/pull/8567
• fix: [new_classes] set correct vptr in global vars by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8604
• feat: add runtime bounds check for BinOp by @xaerru in https://github.com/lfortran/lfortran/pull/8605
• fix: [new_classes] do deepcopy for derived types assignments by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8608
• Fix the build for LLVM 21 by @certik in https://github.com/lfortran/lfortran/pull/8611
• CI: Enable LLVM 21 tests by @certik in https://github.com/lfortran/lfortran/pull/8612
• fix : Handle variable m_name, representing a function, for FunctionCall for LLVM backend by @AnshMehta1 in https://github.com/lfortran/lfortran/pull/8607
• Fixed error message by @swamishiju in https://github.com/lfortran/lfortran/pull/8606
• Use reference (stringView) for StringSection instead of creating a copy + Enhance strcpy by @assem2002 in https://github.com/lfortran/lfortran/pull/8589
• Disable WASM test for derived_types_81 by @certik in https://github.com/lfortran/lfortran/pull/8615
• refactor: made get_is_allocated_flag, get_single_element, fill_descriptor_for_array_section use create_gep2 by @sriganeshres in https://github.com/lfortran/lfortran/pull/8618
• enh: add support for unlimited polymorphic type allocation to intrinsic types by @kmr-srbh in https://github.com/lfortran/lfortran/pull/8609
• enh: [new_classes] support arrayitem in runtime type polymorphism call by @jinangshah21 in https://github.com/lfortran/lfortran/pull/8616
• feat: throw runtime error if scalar variable is read but not allocated by @xaerru in https://github.com/lfortran/lfortran/pull/8617

New Contributors

• @krystophny made their first contribution in https://github.com/lfortran/lfortran/pull/8509

Full Changelog: https://github.com/lfortran/lfortran/compare/v0.56.0...v0.57.0